vp8/common/arm/neon/copymem8x4_neon.asm

   1 ;
   2 ;  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3 ;
   4 ;  Use of this source code is governed by a BSD-style license
   5 ;  that can be found in the LICENSE file in the root of the source
   6 ;  tree. An additional intellectual property rights grant can be found
   7 ;  in the file PATENTS.  All contributing project authors may
   8 ;  be found in the AUTHORS file in the root of the source tree.
   9 ;
  10
  11
  12     EXPORT  |vp8_copy_mem8x4_neon|
  13     ; ARM
  14     ; REQUIRE8
  15     ; PRESERVE8
  16
  17     AREA    Block, CODE, READONLY ; name this block of code
  18 ;void copy_mem8x4_neon( unsigned char *src, int src_stride, unsigned char *dst, int dst_stride)
  19 ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  20 |vp8_copy_mem8x4_neon| PROC
  21     vld1.u8     {d0}, [r0], r1
  22     vld1.u8     {d1}, [r0], r1
  23     vst1.u8     {d0}, [r2], r3
  24     vld1.u8     {d2}, [r0], r1
  25     vst1.u8     {d1}, [r2], r3
  26     vld1.u8     {d3}, [r0], r1
  27     vst1.u8     {d2}, [r2], r3
  28     vst1.u8     {d3}, [r2], r3
  29
  30     mov     pc, lr
  31
  32     ENDP  ; |vp8_copy_mem8x4_neon|
  33
  34     END